Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 18:27
Behavioral task
behavioral1
Sample
2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe
- Size 1.4MB
- Sample260804-w378nsxdmc
- SHA256 da56bb8497495f8d3c43497f3b1925a1dfb40dd028115eecb997e548ad618857
- MD5 be8484865efb66e1dcae990fdf1f0fdd
- SHA1 6d2535fe3aa85beafab12714a24051b756cae7f6
- SHA512 b97d87722464a2c304612df3015a5d675b8aeecdad97721b0bc473055ec9d5a554e9f8433eaa41bfd7d9db99c03ba2413e6afe3f8a9ef24f67f9655be07f969a
- SSDEEP 24576:Ffa86Sf7kQ5W9GIpThCTZ0og6f5MLb+VONw/haSqnFGUMhglHZaaw+Xal:FfayQL9fpTgTZ0og6fWLb+VOa/hunKh3
- TLSH T1E065DFC2F602D0A5DC1645308C27DFF81B16BE22AD1116177BD8BF5FAEB3382592259B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 3 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x001200000001c3e1-6.dat family_cosmu behavioral2/files/0x000e00000001c506-81.dat family_cosmu behavioral2/files/0x0007000000018957-192.dat family_cosmu - Enumerates connected drives 3 TTPs 10 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\7-Zip\7z.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX43BC.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX46BF.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX451D.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX451E.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX45DA.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX452E.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX467F.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4565.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX4754.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX438A.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4553.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4566.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX463C.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX438C.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4777.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX43EF.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX46E1.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX45B7.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX460C.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX43CE.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4554.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX460B.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX43F0.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX466E.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX438B.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX4430.tmp 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_be8484865efb66e1dcae990fdf1f0fdd_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4588
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 332KB
- SHA256 30f29e3a746b46a1b5e85161d16f752a2eb1218b76bbfcd15ef58c98bc460665
- MD5 31d2bd635b4fc3af91f547e1e52ad2ca
- SHA1 710f80d61a9d17c72fd3daccc30cb81f7ee05e67
- SHA512 d391d73cf5ff853f6170f2767ac211c69c3dda2d8b42e36035ee9468afe63bb9a819fe3e412b86356a4659bd59276cfdf276c4fa7b04b14a879a1d0df861b061
- SSDEEP 6144:YFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:vfBQGH6SfboAX+U4
- TLSH T1F07401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX4540.tmp
- Size 288KB
- SHA256 f5e53311e3b44ebf837d6c32694c4e3861f99ba5414c8f76dff00856a89729ea
- MD5 47123021fab89609cfb6cbabb8930183
- SHA1 104d04821b1b5709b149a71228fe8ad1b133f980
- SHA512 da1417cc300ed2f4343e56fbc045f7dc077d728001619090560cf1fb5e52325f05e91c38fd2dc43e6efbb26b143af873a1d5b2ecd0fc87a67f442e802b86e592
- SSDEEP 6144:kFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:DfBQGH6SfRoAX+U4
- TLSH T1685401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX46E1.tmp
- Size 288KB
- SHA256 475cb2c75b7fd6c4c88dda6527734c973c9bf14f1ed5e2251796fad52b948e20
- MD5 54f864153ea84064e2a2c553db6cd191
- SHA1 31dc080859d5832adb92dc2902ffd6082631e356
- SHA512 d0f384d9301d2d6ed75152d917dc1e81698ded6ea18d40e0788160f54deccafd618135a654f08c84b87ffc9d38ec360ffe91d219264190e53744dd136777cdb7
- SSDEEP 6144:QFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:nfBQGH6SfooAX+U4
- TLSH T17E5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH